早教吧 育儿知识 作业答案 考试题库 百科 知识分享

SAT语法,答案为A,但如果是单数的话请问为什么后面是their呢,Therecordleftbyfossils,theancientremainsofplantsandanimals,provide(A)scientistswith(B)theirprimarysourceof(C)informationabout(D)prehistoriclife.

题目详情
SAT语法 ,答案为A,但如果是单数的话请问为什么后面是their呢,
The record left by fossils, the ancient remains of plants and animals, provide (A) scientistswith (B) their primary source of (C) information about (D) prehistoric life.
▼优质解答
答案和解析
主语是record,记录.Fossils和后面的那半句形容 fossils的句子都不是主语.The record provides.